Zoe and her husband Rodger Berman are certainly excited with the new addition to their family, but their oldest son Skyler may be the most thrilled.

"Literally, since I got pregnant, I just tell [Skyler] every day, 'You're going to help this child walk and eat,'" Rachel revealed just last month. "You're going to be the big brother and you're going to take charge and you're going to be the leader."